Finding the Fourth Proportional to 16,976.94, 25,436.01 and 9,191.10

Step by Step Solution

1. Step 1: Write the proportion equation
   16,976.94 : 25,436.01 = 9,191.10 : x
2. Step 2: Convert to fraction form
   16,976.94/25,436.01 = 9,191.10/x
3. Step 3: Cross multiply
   16,976.94x = 25,436.01 × 9,191.10
4. Step 4: Simplify right side
   16,976.94x = 233,784,911.51
5. Step 5: Solve for x
   x = 233,784,911.51/16,976.94
6. Step 6: Final answer
   x = 13,770.73